From: Jani Nikula <jani.nikula@linux.intel.com>
To: Dhinakaran Pandiyan <dhnkrn@gmail.com>, intel-gfx@lists.freedesktop.org
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 1/2] drm/dp: Bit definition for D3 power state that keeps AUX fully powered
Date: Fri, 11 Aug 2017 08:40:10 +0300 [thread overview]
Message-ID: <87r2wiirwl.fsf@intel.com> (raw)
In-Reply-To: <1502414206-21989-1-git-send-email-dhinakaran.pandiyan@intel.com>
On Fri, 11 Aug 2017, Dhinakaran Pandiyan <dhnkrn@gmail.com> wrote:
> DPCD 600h - SET_POWER & SET_DP_PWR_VOLTAGE defines power state
>
> 101 = Set Main-Link for local Sink device and all downstream Sink
> devices to D3 (power-down mode), keep AUX block fully powered, ready to
> reply within a Response Timeout period of 300us.
>
> This state is useful in a MST dock + MST monitor configuration that
> doesn't wake up from D3 state.
>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> ---
> include/drm/drm_dp_helper.h | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index b17476a..d77e0f5 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -614,10 +614,11 @@
> #define DP_BRANCH_HW_REV 0x509
> #define DP_BRANCH_SW_REV 0x50A
>
> -#define DP_SET_POWER 0x600
> -# define DP_SET_POWER_D0 0x1
> -# define DP_SET_POWER_D3 0x2
> -# define DP_SET_POWER_MASK 0x3
> +#define DP_SET_POWER 0x600
> +# define DP_SET_POWER_D0 0x1
> +# define DP_SET_POWER_D3 0x2
> +# define DP_SET_POWER_MASK 0x3
Please keep the above intact. It appears space is the indent character
of choice in this file.
BR,
Jani.
> +# define DP_SET_POWER_D3_AUX_ON 0x5
>
> #define DP_EDP_DPCD_REV 0x700 /* eDP 1.2 */
> # define DP_EDP_11 0x00
--
Jani Nikula, Intel Open Source Technology Center
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2017-08-11 5:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-11 1:16 [PATCH 1/2] drm/dp: Bit definition for D3 power state that keeps AUX fully powered Dhinakaran Pandiyan
2017-08-11 1:16 ` [PATCH 2/2] drm/i915/dp: Leave the AUX block powered on for MST Dhinakaran Pandiyan
2017-08-14 18:00 ` Lyude Paul
2017-08-11 5:40 ` Jani Nikula [this message]
2017-08-11 18:10 ` [PATCH v2 1/2] drm/dp: Bit definition for D3 power state that keeps AUX fully powered Dhinakaran Pandiyan
2017-08-14 18:06 ` Harry Wentland
2017-10-27 10:25 ` [Intel-gfx] " Jani Nikula
2017-10-27 11:37 ` Ville Syrjälä
2017-10-30 15:32 ` Jani Nikula
2017-08-11 9:55 ` ✓ Fi.CI.BAT: success for series starting with [1/2] " Patchwork
2017-08-11 18:33 ` ✓ Fi.CI.BAT: success for series starting with [v2,1/2] drm/dp: Bit definition for D3 power state that keeps AUX fully powered (rev2) Patchwork
2017-10-26 7:59 ` [Intel-gfx] [PATCH 1/2] drm/dp: Bit definition for D3 power state that keeps AUX fully powered Jani Nikula
2017-10-26 17:47 ` Pandiyan, Dhinakaran
2017-10-27 7:40 ` Jani Nikula
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87r2wiirwl.fsf@intel.com \
--to=jani.nikula@linux.intel.com \
--cc=dhinakaran.pandiyan@intel.com \
--cc=dhnkrn@gmail.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=intel-gfx@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox